THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSING THE CONCERN OF A RATTLE, TICK AND/OR A VIBRATION FROM THE REAR OF THE VEHICLE. THIS COULD BE COMING FROM THE FUEL FEED LINE BETWEEN THE FUEL TANK AND ETHANOL SENSOR. TECHNICIAN WILL APPLY PRESSURE TO THE FUEL LINE TO DETERMINE IF THIS IS THE SOURCE OF THE CONCERN. IF IT IS DETERMINED THE FUEL LINE IS THE SOURCE OF THIS CONCERN REPLACE THE FUEL FEED PIPE BETWEEN THE CHASSIS LINE AND THE HIGH PRESSURE PUMP.
